JP4821638B2 - 円筒状すべり軸受及びこの円筒状すべり軸受を使用した軸受装置 - Google Patents
円筒状すべり軸受及びこの円筒状すべり軸受を使用した軸受装置 Download PDFInfo
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Description
強化繊維織布として平織綿布を準備し、図に示す製造装置を使用して、該綿布を送りローラ27にて、樹脂固形分64.5重量%のフェノール樹脂ワニスを貯えた容器29内を通過させ、該綿布の表面にフェノール樹脂ワニスを塗工し、圧縮ロール33及び34によって綿布の表面に塗工されたフェノール樹脂ワニスを繊維組織間隙にまで含浸せしめた後、乾燥炉35内で溶剤を逸散させると同時に樹脂の反応を進め円筒状基体用のプリプレグ(樹脂加工綿布)を得た。
常温硬化型エポキシ樹脂(常温硬化型の二液性エポキシ樹脂:レジナス化成社製「レジナスボンド(商品名)」)47.5〜55重量%と、四ふっ化エチレン樹脂として旭硝子社製の高分子量四ふっ化エチレン樹脂「フルオンG163(商品名)」15〜25重量%と、ワックスとして日興ファインプロダクツ社製の「ゴデスワックス(商品名)」10〜20重量%と、液状オイルとして出光興産社製のパラフィン系オイル「ダイアナプロセスオイルPW−90(商品名)」及び「同PW−380」の合量5〜8重量%と、芳香族ポリアミド樹脂粉末として帝人社製の「コーネックス(商品名)」5〜8重量%とを混合して固体潤滑剤を、更にこれら成分組成にリン酸塩としてピロリン酸カルシウム1.5重量%配合し混合して固体潤滑剤を作製した。
上記円筒状すべり軸受素材の摺動面材に形成された無端状凹溝及び螺旋状凹溝に織布の毛羽立ちを介して固体潤滑剤を充填し、室温に放置して固体潤滑剤中の常温硬化型エポキシ樹脂を硬化させ、無端状凹溝及び螺旋状凹溝に固体潤滑剤が強固に保持された円筒状すべり軸受を作製した。
面圧 59MPa(600kgf/cm2)
速度 0.47m/min
揺動角度 90°(摺動サイクル5cpm)
試験時間 55時間(トータル摺動サイクル16,500サイクル)
潤滑 無潤滑
相手材 SCM440高周波焼入れ
18 円筒状基体
19 摺動面材
21 無端状凹溝
23 毛羽立ち
24 固体潤滑剤
Claims (7)
- 径方向に積層された繊維織布強化熱硬化性合成樹脂からなる円筒状基体の内周面には、有機繊維又は無機繊維からなる少なくとも一層の織布を有していると共に該織布の繊維組織間隙に四ふっ化エチレン樹脂と熱硬化性合成樹脂との混合物を充填してなる摺動面材が一体に接合されており、該摺動面材には、回転自在に支持する相手材に対する摺動面となる該摺動面材の円筒状の表面で開口する少なくとも一つの環状凹溝が形成されており、該環状凹溝を規定する摺動面材の互いに対面する一対の側壁面には、該織布の毛羽立ちが形成されており、該環状凹溝には、四ふっ化エチレン樹脂10〜30重量%とワックス10〜25重量%と液状オイル5〜15重量%と芳香族ポリアミド樹脂粉末5〜15重量%と残部常温硬化型エポキシ樹脂とを含む固体潤滑剤が充填されており、該固体潤滑剤は、該毛羽立ちを介して該環状凹溝を規定する摺動面材の該一対の側壁面に保持されており、該環状凹溝は、軸方向に沿って互いに所定間隔を保持して摺動面材に形成された複数の無端状凹溝又は摺動面材の軸方向の一方の端部から他方の端部に向けて所定間隔を保持して形成された螺旋状凹溝であることを特徴とする円筒状すべり軸受。
- 摺動面材は、有機繊維又は無機繊維からなる織布25〜35重量%と熱硬化性合成樹脂30〜45重量%と四ふっ化エチレン樹脂25〜35重量%とを含んでいる請求項1に記載の円筒状すべり軸受。
- 有機繊維は、綿繊維及びアラミド繊維のうちの少なくとも一方の繊維を含んでいる請求項1又は2に記載の円筒状すべり軸受。
- 無機繊維は、炭素繊維を含んでいる請求項1から3のいずれか一項に記載の円筒状すべり軸受。
- 熱硬化性合成樹脂は、エポキシ樹脂、フェノール樹脂及び不飽和ポリエステル樹脂のうちの少なくとも一つの樹脂を含んでいる請求項1から4のいずれか一項に記載の円筒状すべり軸受。
- 固体潤滑剤には、更にリン酸塩が0.5〜3重量%の割合で含有されている請求項1から5のいずれか一項に記載の円筒状すべり軸受。
- 軸方向に伸びた軸受嵌合孔を有するボス部材と、該ボス部材の軸受嵌合孔に嵌合固定された請求項1から6のいずれか一項に記載の円筒状すべり軸受と、該円筒状すべり軸受に挿通された連結ピンと、ボス部材の軸方向の両端面側に配設されていると共に連結ピンの両側を支持するブラケットとを具備しており、ボス部材は円筒状すべり軸受を介して該ブラケットに対し相対回転可能となっている軸受装置。
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JP6210814B2 (ja) * | 2013-09-26 | 2017-10-11 | ポリプラスチックス株式会社 | 摺動部材 |
KR101616015B1 (ko) * | 2015-02-16 | 2016-04-27 | 유준일 | 끊어지지 않는 복합소재 섬유층을 포함하는 부시 베어링 및 슬라이딩 베어링 |
KR101950754B1 (ko) * | 2017-11-28 | 2019-02-21 | (주)유디엠 | 복합 적층구조를 통해 고하중 운영이 가능한 조선해양플랜트 및 건설 기계에 사용되는 슬라이딩 베어링 |
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